LFC 

so true!

@@hadireg I cannot stop watching too...........it's the algorithms...... the algorithms.......or just really good content!!!!

Let's see some laptop disassembly montage videos! It's like watching a waterfall!

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@@hadireg jpp6po

The struggle, the struggle, the struggle is real!

Yea, for every victory, there's at least two fails. And it's not always lack of skill - some of my fails in the past I'd know how to fix today, but also many of my fails are just dead-end boards that have a dead PCH or something else that's just not viable to replace.

@@Adamant_IT hi pls I've this toshiba satelite l305 with charger light on but no Power on

@@brainknowledge80 try reseting the BIOS

Kbjkbbjbbjkbb

That's just the glint of the solder! Disadvantage of seeing it through a camera is that it's a 2D view!

*Graham

The secondary rails (5v, 3v3) are 'behind' their respective power supplies, so power injected onto VCC won't leak into the secondary rails.

Adamant IT ahhh! I see! Thanks for the tip!

The missing fets would not have been contributing toward it not detecting drives. If it wasn't for the no-drives-detected issue, we would've been 90% there, and I'd replace the missing fets, but yea, no drives detected is nothing to do with Vcore.

@@Adamant_IT I believe the problem got worse after the first power injection... What do you think 🤔

Same reason why a lightbulb blows. Things wear out.

I've been staving off a thermal camera due to their cost, but having had a lot of people suggest it over the past week I took another look, and I can see that older models aren't massively expensive anymore - so yea, I might invest soon! Transistor was the same, this board uses the same mosfets on the GPU phases as the CPU. These kind of mosfets are made specifically for generic VRM designs, and are fairly interchangeable, as long as they all match.

@@Adamant_IT : Get the FLIR camera, you will only regret that you didn't buy one long ago. It will quickly pay for itself in time savings.

That won't work because the in-rush limiter will block it. Same reason as why you can't use the laptop's charger to do this.

It's by choice. Free diagnostics bring in more customers. Some I win, some I lose.

@@Adamant_IT That's how you improved your skill quick, I guess.

@@Adamant_IT Yes but there is also a lot of waste of time when you have customers that won't tell you the truth about how a device "suddenly" stopped working! I'm sure you have faced a lot of them but the time of truth comes only when the device is fully opened most of the time!